termux-api: Change termux-clipboard-set

Make termux-clipboard-set set the clipboard to the arguments if
given, and only take stdin as input if no arguments given.

Closes https://github.com/termux/termux-api/issues/8

packages/termux-api/build.sh

@@ -1,6 +1,6 @@
 TERMUX_PKG_HOMEPAGE=http://termux.com/add-ons/api/
 TERMUX_PKG_DESCRIPTION="Termux API commands"
-TERMUX_PKG_VERSION=0.9
+TERMUX_PKG_VERSION=0.10
 
 termux_step_make_install () {
         mkdir -p $TERMUX_PREFIX/bin

packages/termux-api/termux-clipboard-set

@@ -1,4 +1,9 @@
 #!/bin/sh
 
-TEXT=`cat -`
+if [ $# = 0 ]; then
+	TEXT=`cat -`
+else
+	TEXT="$@"
+fi
+
 @TERMUX_API@ Clipboard --es text "$TEXT"